C++
[C++]깊은 대입연산자함수
우주 코더
2018. 3. 21. 03:07
the space coding
[C++]깊은 대입연산자함수
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#include<iostream>
using namespace std;
class A
{
int *p;
public:
A()
{
p=new int;
*p=0;
}
~A(){ delete p; }
A(const A &aa)
{
p=new int;
*p = *aa.p;
}
A& operator=(const A &aa)
{
if(this == &aa) return *this;
delete p;
p=new int;
*p=*aa.p;
return *this;
}
void setA(int data){ *p=data; }
int getA()const{ return *p; }
};
void main()
{
A aa;
A bb;
aa.setA(90);
cout<<aa.getA()<<endl;
cout<<bb.getA()<<endl;
bb = aa;
cout<<aa.getA()<<endl;
cout<<bb.getA()<<endl;
} |
cs |